8015831: Add lint check for calling overridable methods from a constructor

6557145: Warn about calling abstract methods in constructors

Reviewed-by: ihse, vromero, mcimadamore

make/modules/java.base/Java.gmk

@@ -23,6 +23,8 @@
 # questions.
 #
 
+DISABLED_WARNINGS_java += this-escape
+
 DOCLINT += -Xdoclint:all/protected \
     '-Xdoclint/package:java.*,javax.*'
 JAVAC_FLAGS += -XDstringConcat=inline \